GE IS200VTCCH1CBB Input Terminal Board Mark VI Speedtronic in stock
GE IS200VTCCH1CBB is a 24-channel thermocouple input terminal board designed for GE Mark VI Speedtronic gas and steam turbine control systems. It collects low millivolt temperature signals from thermocouple sensors and converts raw data for turbine controller processing.

This board supports multiple thermocouple types with automatic cold junction compensation and per-channel diagnostic functions. It is legacy spare hardware widely used for maintenance replacement of old power plant turbine control racks.
Main Specifications
| Item | Parameter |
| [1] Brand | GE General Electric |
| [2] Model | IS200VTCCH1CBB |
| [3] Product Type | Thermocouple Input Terminal Board |
| [4] Series | Mark VI Speedtronic Turbine Control System |
| [5] Input Channels | 24 thermocouple input channels |
| [6] Supported TC Types | E, J, K, S, T type thermocouples |
| [7] Input Voltage Range | -8mV ~ +45mV |
| [8] A/D Resolution | 16-bit |
| [9] Max Cable Distance | Up to 300 meters from control cabinet |
| [10] Operating Temp | -20℃ ~ +60℃ |
Core Functions
| Function | Description |
| [1] Thermocouple Signal Acquisition | Capture millivolt temperature signals from multiple thermocouple sensors. |
| [2] Automatic Cold Junction Compensation | Compensate cold junction temperature drift to guarantee temperature reading accuracy. |
| [3] Channel Diagnostic Monitoring | Detect open circuit, short circuit and sensor failure on each individual channel. |
| [4] Signal Linearization | Software linearization for different thermocouple characteristic curves. |
| [5] VME Backplane Communication | Transmit processed temperature data to Mark VI turbine controller via VME bus. |
Application Scenarios
| Industry | Usage |
| [1] Power Generation | Gas turbine & steam turbine temperature monitoring for combined cycle power plants. |
| [2] Petrochemical | Gas turbine driven compressor temperature monitoring in refinery process units. |
| [3] Energy & Utilities | Turbine safety protection and over-temperature alarming control systems. |
| [4] Legacy System Maintenance | Replacement spare part for aging Mark VI Speedtronic turbine control racks. |
FAQ
| Question | Answer |
| [1] What is GE IS200VTCCH1CBB? | It is 24-channel thermocouple input board for GE Mark VI Speedtronic turbine control system. |
| [2] How many thermocouple types it supports? | 5 types: E, J, K, S, T thermocouples for industrial temperature measurement. |
| [3] What is the maximum sensor cable length? | The thermocouple sensor can be installed up to 300 meters away from control cabinet. |
| [4] Is it obsolete product? | Yes, it is legacy spare part used for maintenance of old Mark VI turbine control racks. |